True or false: enzymes are only good for one use, that is they get ‘used’ up.

The right answer is False.

An enzyme is a protein with catalytic properties. They catalyze chemical reactions in cells or outside the cells.

An enzyme specifically activate and accelerate the rate of a reaction. The enzyme is not modified during the reaction (it doesn't get used up). The initial molecules are the substrates of the enzyme, and the molecules formed from these substrates are the products of the reaction.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).